#!/opt/homebrew/bin/python3.13
import copy

l1 = [1,2,3]
l2 = l1
l2.append(4)
print(l1)
print(l2)
l3 = copy.deepcopy(l1)
l3.append(5)
print(l1)
print(l3)


def append(l,i):
    l.append(i)
print(l1)
append(l1,6)
print(l1)






